油价上涨逾3%，市场关注委内瑞拉及俄罗斯、伊拉克、伊朗的供应担忧

Group 1: Oil Price Movement - Oil prices increased by over 3% after two days of decline, driven by investor assessments of the situation in Venezuela and concerns over supply from Russia, Iraq, and Iran [1][7] - Brent crude futures rose by $2.03, a 3.39% increase, closing at $61.99 per barrel [8] - West Texas Intermediate (WTI) futures for February delivery increased by $1.77, a 3.16% rise, closing at $57.76 per barrel [8] Group 2: Venezuela Situation - The U.S. seized two oil tankers related to Venezuela, one of which was flying a Russian flag, as part of efforts to control oil flows from the region [8] - Following a military operation in Caracas to capture President Maduro, the U.S. has intensified its blockade on sanctioned vessels [8] - Analysts noted that the significant event had minimal impact on the energy market, as it may take years for Venezuelan oil to reach the U.S. Gulf Coast [8] Group 3: U.S. Policy and Corporate Involvement - President Trump indicated that the U.S. might oversee Venezuela and control its oil revenues in the coming years [9] - The U.S. Senate advanced a resolution to prohibit Trump from taking further military action in Venezuela without congressional approval [10] - U.S. Energy Secretary Chris Wright mentioned that both the U.S. and China have roles in allowing commercial activities in Venezuela, while ensuring no other country gains primary control [10] - Chevron and other U.S. oil giants are expected to expand their activities in Venezuela [10] Group 4: Global Oil Supply Concerns - Iraq's cabinet approved the nationalization of the West Qurna-2 oil field to avoid disruptions due to U.S. sanctions on Russian stakeholders [11] - Iran's oil exports, which account for about 2% of global supply, may face risks amid domestic protests and economic reforms [11][12] - The world's largest refinery operator, Reliance Industries, expressed interest in purchasing Venezuelan oil if allowed to sell to non-U.S. buyers [10]